baber/WOPTO huggingface dataset:
Patent KR-20000010421-A (KR)
Title: Voltage supplying circuit for selective re-erase in a flash memory device
Inventor: HAN GYU SEOK
IPC: G11C16/06
Filed: 1998-07-31
Abstract: PURPOSE: A voltage supplying circuit for a selective re-erase in a flash memory device is provided to reduce power consumption of an overall memory device by preventing stress caused by over-erase of normal cells and limiting current applied to the normal cells. CONSTITUTION: The flash memory device having a voltage supplying circuit for a selective re-erase comprises: a memory cell(100) of split gate electrode structure; a word line(110) for simultaneously supplying a driving voltage to a control gate(104) of the memory cell(100) in the same column; a bit line(120) for writing data in a drain of the memory cell(100); a source line(130) for applying a voltage to a source of the memory cell; a selection gate driving line(140) for applying a driving voltage to a corresponding selection gate(102) to simultaneously select the memory cell in the same row; a re-erase bias voltage supplier(220a, 220b) which supplies a bias voltage for a selective re-erase in a defective memory cell(F) only in response to detection signals(port) of the memory cell designating if a cell is defective or normal among overall memory cells erasable in a data erasing operation.
Patent KR-19990023703-A (KR)
Title: 약액처리장치 및 그 유량제어방법
IPC: G05D7/06
Filed: 1998-08-19
Abstract: 공급되는 처리액량과 대략 동량의 처리액을 처리조(處理槽)로부터 배출하여, 처리조내의 처리액의 양을 일정하게 유지하려고 하면, 처리조내의 처리액의 흐름이 흐트러져 층류(層流)로 유지하는 것이 곤란하였다. 
     처리조(2)(본조(3))의 조(槽)외로부터 처리액(21)이 공급되는 동시에, 이 처리조(2)(본조(3))의 하부로부터 처리액(21)이 배출되는 다운플로방식의 약액(藥液)처리장치(1)로서, 본조(3)의 처리액배출측에, 본조(3)내의 처리액(21)의 흐름을 대략 층류상태로 유지한 상태에서 처리액(21)을 본조(3)외로 배출시키는 회전식 펌프로 이루어지는 펌프(5)가 구비되어 있는 것이다.
Patent KR-20000015330-A (KR)
Title: Tray loading apparatus having an auxiliary means for a torque attenuation
Inventor: JEONG YONG SEON
IPC: G11B17/053
Filed: 1998-08-28
Abstract: PURPOSE: A tray loading apparatus having an auxiliary means for a torque attenuation is provided, which has an auxiliary means for a torque attenuation for preventing a swing of a torque and a tray. CONSTITUTION: The tray loading apparatus having an auxiliary means for a torque attenuation comprises: a tray gear (60) to be installed in a chassis (10) for receiving a moving power generated in a loading motor (20); a tray (30) to be formed with a tray rack gear (80) in one body; and a tray loading auxiliary means for attenuating a torque occurred from a position opposed to the tray gear (60) on the tray (30) and the chassis (10), including an auxiliary rack gear (18) to be formed at a portion opposed to the tray rack gear (80) on the tray (30) and an auxiliary tray gear (260) to be installed to the chassis (10). Thereby, it is possible to prevent a breakage and a modification of a goods.
Patent KR-20000019110-A (KR)
Title: Decorative engraving and manufacturing method thereof
Inventor: KIM JAE CHOON
IPC: B44C1/20
Filed: 1998-09-08
Abstract: PURPOSE: A decorative engraving and a manufacturing method are provided to make the engraving more quality as well as to have graceful beauty with natural touch. CONSTITUTION: A method has the steps of: forming formative arts that have the same shape as a sculpture and an engraving substrate by re-correcting the pattern to get the sculpture while sequentially covering the sculpture with gypsum and mutually bonding the sculpture and the engraving substrate after partly correcting the engraving substrate that has the natural shape and the natural formation at the same time; taking the mixture out from the modeling frame after compressively cooling by putting the mixture that is stirred with urethane, a hardener and distilled water, after coating the inner circumference of the modeling frame with wanted paints; and expressing the same color as the sculpture pattern's.
Patent KR-20000019700-A (KR)
Title: Cellulase secreting yeast and feed additive containing the same
Inventor: JUNG DAE KYUN
IPC: C12N15/81
Filed: 1998-09-15
Abstract: PURPOSE: A recombinant yeast secretes a cellulase in high concentration to degrade cellulose and, when added to a feed for animals, enhances a rate of intestinal absorption for cellulose. The recombinant yeast is also used as a feed additive for promoting activity of cellule rumen bacteria considered as a source of various amino acids, unidentified growth factors and vitamins. CONSTITUTION: A method for preparing the recombinant yeast comprises the steps of: amplifying a cellulase gene; sub cloning the amplified gene to produce a plasmid; introducing the plasmid to a host yeast; and selecting a transforming substance secreting a cellulase. The recombinant yeast is a biological preparation for a feed additive.
Patent KR-19980087900-A (KR)
Title: 해양환경 자동 경보 및 양식생물 보호시스템
IPC: G08B29/00
Filed: 1998-09-29
Abstract: 본 발명은 해양환경 자동 경보 및 양식생물 보호시스템에 관한 것으로서, 양식어장 주변에 이상 해수가 접근할 때, 이상해수에 의한 해양환경의 변화를 종합적으로 감지하여, 자동 경보와 더불어 그 해양환경 상태를 양식장 관리자에게 직접 알리고, 육상 양식어장 또는 해상 양식어장에 이상 해수가 유입되지 않도록 적당하게 사후처리하여 양식생물을 보호하기 위한 것이다. 
     이를 위하여 본 발명은 양식장 주변의 해수 상태를 측정하기 위한 해양환경 측정수단과; 사용자에 의해 조작될 수 있는 다수의 숫자키와 기능키들을 구비한 설정수단과; 상기 설정수단에서 설정되는 값이나 상기 해양환경 측정수단의 측정값을 표시하는 표시수단과; 해양 환경이 정상적일때에 해수를 이용하여 측정할 수 있는 해양 환경 기준치를 각각 종류별로 구분하여 상기 설정수단을 통해 저장할 수 있는 제 1기억수단과; 상기 해양환경 측정수단에서 측정된 값을 미리 설정된 해당 기준치와 비교하고, 그 비교결과에 따라 출력포트 및 통신포트 제어신호를 생성하는 제어수단을 포함하여 구성된 것을 특징으로 한다.
Patent KR-20000021984-A (KR)
Title: Circuit for alarming door-open state of refrigerator
Inventor: JUNG IL SHIK
IPC: F25D23/00
Filed: 1998-09-30
Abstract: PURPOSE: A circuit for alarming door-open state of a refrigerator is provided to inform users of the door-open state by lightening interior light and producing alarm sound after a predetermined time from the lightening of the interior light. CONSTITUTION: A circuit for alarming door-open state of a refrigerator comprises a drop -transducer(20) for rectifying alternating current applied to a power supply(10) of the refrigerator by a full wave rectification circuit, a photothyristor(30) to be turned on if a light signal is detected when the door is opened, a transistor(40) to be turned on in response to the turn-on of the photothyristor, a relay switch(50) connected with an interior light(60) to be turned on for lighting in response to the turn-on of the transistor, a microcomputer(70) for outputting a high signal after a predetermined time relay according to a light detection signal output from the photothyristor, and an alarm outputting unit(80) for emitting a predetermined alarm sound according to a control signal transmitted from the microcomputer.
Patent KR-19990062532-A (KR)
Title: 이동무선단말기의 호 재접속 장치 및 방법
IPC: H04W48/16
Filed: 1998-10-19
Abstract: 이동통신시스템에서 기지국측 사정으로 호 접속이 어려울 때 이동무선단말기측에서 인접한 다른 기지국으로 호 재접속을 시도하여 통화 성공률을 높이는 장치 및 방법에 관한 것이다. 
     본 이동무선단말기의 자동 호 재접속 장치는, 제어채널을 탐색하여 수신전계강도가 소정 기준치 이상인 것을 다수 개 검출해놓고, 호 접속에 성공할 때까지 수신전계강도가 최대인 채널부터 시작하여 순차적으로 동조하면서 호 접속을 시도한다. 구체적으로, 제어채널을 탐색하여 수신전계강도가 소정 기준치 이상인 것을 다수 개 검출하고 이들을 저장하고, 상기 저장된 다수 개의 제어채널중 수신전계강도가 최대인 채널에 동조하며, 상기 동조후 수신전계강도 데이터를 갱신한 다음 호 요청이 있는지 여부를 체크하고, 호 요청에 응답하여 호 접속을 시도한 결과 기지국이 비지이면 다음 채널로 동조한 다음, 호 접속을 재시도하는 동작을 상기 저장된 제어채널들에 대하여 순차적으로 실행한다.
Patent KR-20000027546-A (KR)
Title: Method for manufacturing junction layer of semiconductor device
Inventor: LEE IN HAENG
IPC: H01L21/337
Filed: 1998-10-28
Abstract: PURPOSE: A method for manufacturing a junction layer of a semiconductor device is provided to easily form an extremely thin junction layer less than 100 nano meters and prevent a leakage current caused by exhaustion of the junction layer generated in etching a contact. CONSTITUTION: A method for manufacturing a junction layer of a semiconductor device comprises the steps of: forming a plurality of gates in stacked structure on a semiconductor substrate having a cell area and a peripheral circuit area composed of P+ and N+ regions; forming a silicide region(60) on the semiconductor substrate in an intervening area between gates of the peripheral circuit area; sequentially injecting respective impurity ions into the silicide region of the N+ and P+ regions; and forming a junction layer(70) by diffusing the impurity ions injected into the silicide region.
Patent KR-20000031625-A (KR)
Title: Carbon material for heating and forming method of isotropic thermal degradable carbon thin film to material
Inventor: JE JEONG HO
IPC: C01B31/02
Filed: 1998-11-05
Abstract: PURPOSE: Carbon thin film is formed onto carbon heating material which has a compact surface, a sectional structure, an excellent mechanical and thermal property and improved durability, free from soot. CONSTITUTION: The carbon material useful as carbon jig, carbon boat or carbon surceptor formed isotropic thermal degradable carbon thin film on the surface is provided. The carbon material for heating is introduced with a particle such as a sand into a reaction tube, and heated to a thermal degradable temperature of the carbon source gas. The carbon source gas is introduced with a carrier gas to the reaction tube to vapor-deposit a thermal degradable carbon to the carbon material.
Patent KR-20000032872-A (KR)
Title: Printer drive for providing state window having document description
Inventor: LEE DO HYUNG
IPC: B41J29/393
Filed: 1998-11-18
Abstract: PURPOSE: A printer drive for providing a state window having document description is provided to easily figure out characteristics or owner of a document to be printed in a network printing system. CONSTITUTION: A printer drive for providing a state window having document description includes a print window having a box for inputting document description of a document to be printed, and a state window having a box for displaying the document description(41) input in the print window, so that if a user inputs some description for a document into the box for inputting document description of the print window, the input document description is automatically displayed in the printer window, and the document description is to be a full name of the user or a characteristic of the document.
Patent KR-20000032874-A (KR)
Title: Device and method for generating clock signal of low frequency
Inventor: LEE JIN CHEOL
IPC: H03K4/00
Filed: 1998-11-18
Abstract: PURPOSE: A device and a method for generating a clock signal of low frequency are provided to operate a low electric power mode by controlling a clock frequency according to the capacity of a battery or the driving state of a CPU. CONSTITUTION: A device for generating a clock signal contains a measuring unit(20) of battery capacity for measuring the capacity of a battery and a generating unit(22) of low electric power clock signal for outputting clock frequency. Herein, the generating unit of low electric power clock signal is formed by a generator(220) of low electric power clock signal, a generator(222) of ordinary mode clock signal, and a selector(224). Therefore, the generator of low electric power clock signal receives the data of battery capacity from a measuring unit of battery capacity for outputting clock signal of low electric power mode controlled by a certain regulation of clock frequency per capacity. Herein, the regulation of clock frequency lowers clock frequency when the capacity of the battery is lowered. The generator of ordinary mode clock signal generates clock signal of ordinary mode established by hardware, and the selector outputs after selecting the clock signal of low electric power mode or the clock signal of ordinary mode in response to the selecting signal of mode.
Patent KR-20000038275-A (KR)
Title: Magnetic stabilizer for flashing fluorescent lamp
Inventor: HAN SANG RI
IPC: H05B41/02
Filed: 1998-12-03
Abstract: PURPOSE: A magnetic stabilizer for a flashing fluorescent lamp is provided to prolong the life of a lamp by amplifying the voltage in the secondary winding of a stabilizer. CONSTITUTION: A power source is electrically connected in parallel to primary windings(1S,1E) and a flashing device(3) of a magnetic stabilizer(2). Pre-heating windings(4a,4b) of the magnetic stabilizer(2) is applied to a fluorescent lamp(5). Secondary windings(2S,2E) of the magnetic stabilizer(2) is electrically connected to the fluorescent lamp(5) and the flashing device(3).
Patent KR-20000038499-A (KR)
Title: Steel cords for rubber enhancement
Inventor: LEE BYUNG HO
IPC: D07B1/06
Filed: 1998-12-07
Abstract: PURPOSE: Steel cords for rubber enhancement are manufactured to provide the improvements for the rubber extrusion into a central portion and crevices between steel filaments to fill fully rubber therein, and offer accordingly a high corrosion resistance, a good curvature fatigue property and a low loading elongation, as well as an excellent handling for the steel cords, especially such as belts or carcasses in a tire art field. CONSTITUTION: A subject steel cord is shown in figure 5 in detail. A steel cord(5) is first formed by screwing some filaments(5a). A central space(B) of the formed cord(5) is incorporated by rubber cores to retain the crevices(S) between the filaments(5a) without imparting a mould of the filaments. Thereby, the central space(B) is opened. The number of the filaments are 3 to 6, the average crevice of the filaments is 0.1 to 1 times, based on the diameter of a filament, and the average outer diameter of rubber cores in 3 axes(that is, X, Y and Z) directions is 0.3 to 1.5 times. At least one rubber cores are incorporated per a pitch/n in a cord length direction. Most of all, the cut-away of the rubber cores have a circular, a rectangular, an ellipsoidal or similar shapes, and such rubber core has also 20% or more in ratios of their three directional outer diameter(dRout) to their average inner diameter(dRin).
Patent KR-20000039625-A (KR)
Title: Digital broadcasting reception system with power saving function in program for audio
Inventor: KIM IN GI
IPC: H04N5/63
Filed: 1998-12-15
Abstract: PURPOSE: A digital broadcasting reception system with a power saving function in a program for audio is provided to perform a power saving function by intercepting the power of a CRT according to a user's request. CONSTITUTION: A digital broadcasting reception system with a power saving function in a program for audio comprises a demultiplexer(11), a controller(12), an MPEG decoder(13), a CRT(15), and a switch(17). The demultiplexer divides service information/program specific information, and a program. The controller detects the program comprising only an audio by using the information within the divided service information/program specific information and controls operations of each block according to the detected result. The MPEG decoder decodes video/audio data. The CRT displays the decoded video data. The switch provides the power to the CRT according to a control operation of the controller.
Patent KR-20000040019-A (KR)
Title: Method for implementing call pick-up using keyphone in private branch exchange system
Inventor: KANG HYONG KOO
IPC: H04M3/54
Filed: 1998-12-14
Abstract: PURPOSE: A method for implementing call pick-up using a keyphone in a private branch exchange system is provided to achieve a call pick-up function by using DID(Direct Inward Dialing). CONSTITUTION: A digital trunk circuit board(10) as a local board in a private branch exchange contains a digital DID trunk line link connected with a PSTN(Public Switched Telephone Network) subscriber. A plurality of keyphones(20,30) stores trunk line information. A digital subscriber line circuit board(40) as a local board in the private branch exchange is installed inside of the private branch exchange and contains a plurality of keyphones(20,30). A plurality of single line circuit boards(50,60) contain general telephones.
Patent KR-20000040038-A (KR)
Title: Method for automatically displaying letter signal of vcr
Inventor: KWAK CHEOL WON
IPC: G11B27/28
Filed: 1998-12-17
Abstract: PURPOSE: An automatic display method of letter signal in a VCR is provided to improve the reliability of product by displaying a letter signal after stabilizing a drum motor. CONSTITUTION: A mode is selected and the selected mode is performed after inserting a tape. When a selective key of playing mode is inputted, a rotated speed of drum motor is controlled by receiving a frequency of a pulse form of the drum motor and a pulse number of frequency when the drum motor is rotated once is counted. When the counted pulse number of frequency is a certain value, a letter signal corresponding to the playing mode is generated and the letter signal generated in the generating step of letter signal is displayed. When the pulse number of frequency is not the certain value, it is decided if the certain time is passed after inputting the selective key of playing mode. The generating step of letter signal is proceeded if the certain time is passed and the counting step of pulse is proceeded if the certain time is not passed.
Patent KR-19990063286-A (KR)
Title: 전해 캐패시터용 전해질 및 이를 갖는 전해 캐패시터
IPC: H01G9/02
Filed: 1998-12-18
Abstract: 본 발명은 우수한 고온 수명 특성 및 우수한 저온 특성을 갖는 전해 캐패시터(electrolytic capacitor), 우수한 고온 수명 특성 및 내습성, 낮은 유전손실 및 양호한 저온 특성을 갖는 알루미늄 전해 캐패시터 및 이를 위한 전해질을 제공한다.  제1 전해질은 설폴란과 3-메틸 설폴란 및 2,4-디메틸 설폴란으로부터 선택된 하나 이상과의 혼합 용매를 포함하며, 제2 전해질은 설폴란 및 γ-부티로락톤을 함유하는 혼합 용매에 4급화 이미다졸리늄염 또는 4급화 피리미디늄염이 용해되어 있고, 제3 전해질은 γ-부티로락톤과 설폴란, 3-메틸 설폴란 및 2,4-디메틸 설폴란으로부터 선택된 두 개 이상을 함유하는 혼합 용매 및 4급화 이미다졸리늄염 또는 4급화 피리미디늄염을 포함한다.  양극 인입수단이 제공된 양극 호일 및 알루미늄으로부터 제조된 음극 인입수단이 제공된 음극 호일을 격리판을 통해 권선시켜 캐패시터 장치를 형성한 다음, 이 캐패시터 장치를 상기 특정한 각각의 전해질에 함침시켜 알루미늄 전해 캐패시터를 제조한다.
Patent KR-20000044368-A (KR)
Title: Apparatus and method for detecting gas leakage by using domestic automation system
Inventor: PARK U HA
IPC: G01M3/16
Filed: 1998-12-30
Abstract: PURPOSE: An apparatus and a method for detecting gas leakage by using a domestic automation system are provided to promptly detect gas leakage in response to fire-extinguishing and provide an alarm and voice service, thereby preventing gas leakage efficiently. CONSTITUTION: A method for detecting gas leakage by using a domestic automation system includes the steps of detecting an input of an ignition starting signal to be applied by a manipulation of an ignition switch by a user(210), monitoring whether an ignition sensing signal corresponding to the ignition of a gas range is input for a predetermined time period if the ignition starting signal is input(212), converting the ignition mode to a monitoring mode if the ignition monitoring signal is maintained for a predetermined time period and monitoring whether the ignition sensing signal is maintained until an ignition ending signal is input(216), performing a warning mode by providing an alarm sound and a voice service if the input of the ignition sensing signal is cut off before the ignition ending signal is input(220), ending the warning mode if the ignition ending signal is input in the warning mode, and ending the monitoring mode if the ignition ending signal is input while maintaining the ignition monitoring signal(226).
Patent KR-20000046631-A (KR)
Title: Method for producing selective sebum-controlling composition
Inventor: NA BYUNG WOO
IPC: A61K8/19
Filed: 1998-12-31
Abstract: PURPOSE: A method for producing selective sebum-controlling powder and a cosmetic composition such as 'two-way cake' containing the powder are provided for controlling the amount of sebum on the skin without side-effects caused by appling the cosmetic composition to the face. CONSTITUTION: A sebum-controlling powder consists of a spherical multi-porous silica and multi-porous cellulose containing the organic germanium powder as a sebum-controlling agent, and adsorbs sebum according to the secretion amount of sebum without side-effects such as skin stretching and skin brightening. The method for producing sebum-controlling powder comprises the steps of: attaching the sebum-controlling agent like organic germanium powder to porous of silica and cellulose by adding them in solvent such as ethanol; and filtering the mixed solvent and drying filtrates.
Patent KR-19990028989-A (KR)
Title: 동조증폭기
IPC: H03H11/12
Filed: 1996-03-06
Abstract: 동조증폭기(1)는 종속접속된 2개의 이상회로(10C, 30C)와, 귀환저항(70) 및 입력저항(74)으로 되는 가상회로를 포함하여 구성된다. 이상회로(10C)는 오피앰프 (12)와, 오피앰프(12)의 반전입력단자에 한쪽끝이 접속된 저항(18)과, 오피앰프(12)의 반전입력단자 및 출력단자 사이에 접속된 저항(20)과, 캐패시터(14)와 가변저항(16)으로 구성되며, 저항(18)의 다른쪽 끝에 접속된 직렬회로를 포함한다. 저항(18, 20)의 각 저항치를 같게 함으로서 동조주파수를 가변하였을 때에 출력증폭의 변동을 억제한다. 그리고 저항(21, 23)으로되는 분압회로에 입력되는 신호를 출력으로 빼냄으로서 동조증폭기(1) 자체에 이득을 갖게할 수가 있고, 동조동작과 동시에 신호증폭의 진폭이 가능하게 된다. 그리고 이상회로(30C)도 이상회로(10C)와 마찬가지로 구성되며, 2개의 이상회로(10C, 30C)를 합한 위상쉬프트량은 소정의 주파수에 있어서 36O。가 된다. 따라서 동조증폭기(1)는 소정의 주파수의 신호만을 동조신호로서 출력할 수가 있다.
Patent KR-19990044323-A (KR)
Title: 강철 프레임 응력 감소 연결부
IPC: E04B1/98
Filed: 1996-08-29
Abstract: 본 발명은, 플랜지 용접부 중앙에서 응력 집중 계수를 감소시킬 목적으로 추가적 볼트 열을 갖는 선택적 연장 전단 연결부(48)뿐만 아니라, 컬럼 플랜지들 사이의 컬럼 구역에서 연속판(106)을 갖는 또는 갖지 않는 컬럼(130) 및/또는 빔 웨브(136)에서 슬롯을 사용함으로써, 컬럼/빔 용접부에서 종래 방식 설계로 이루어진 연결부에서 발견되는 높은 불균일한 응력 분포를 현저하게 감소시키기 위하여, 압연된 구조 형강으로 이루어진 구조 강철 건축물에서, 특히 볼트 또는 리벳 용접 웨브 연결부와 용접 플랜지에 의해 이루어진 빔 대 컬럼(306) 연결부에서 연결 강도 성능을 향상시킨다.
Patent KR-19990063987-A (KR)
IPC: C07D209/08
Filed: 1996-09-30
Abstract: A heterocyclic derivative of the formula (I) <CHEM> wherein each symbol is as defined in the specification, and pharmaceutically acceptable salts thereof. The compound (I) of the present invention and pharmaceutically acceptable salts thereof exhibit superior ACAT inhibitory activity and lipoperoxidation inhibitory activity in mammals, and are useful as ACAT inhibitors and lipoperoxidation inhibitors. Specifically, they are useful for the prophylaxis and treatment of arteriosclerosis, hyperlipemia, arteriosclerosis in diabetes, and cerebrovascular and cardiovascular ischemic diseases.
Patent KR-19990071996-A (KR)
IPC: B29C48/405
Filed: 1997-10-02
Abstract: PCT No. PCT/EP97/05447 Sec. 371 Date Jun. 8, 1998 Sec. 102(e) Date Jun. 8, 1998 PCT Filed Oct. 2, 1997 PCT Pub. No. WO98/15400 PCT Pub. Date Apr. 16, 1998The invention relates to a multiscrew, continuous mixing machine for plasticizable compounds with two screws, which rotate in the same direction in a housing and which penetrate the cylindrical part of the housing that envelopes the screws. The screws include axially spaced apart conveying sections and at least one mixing section therebetween. The conveying sections are formed by intermeshing conveying screws. The mixing section is formed by mixing elements. The mixing elements are followed by restricting elements which include short screw elements with back feed thread. The back feed thread forms a vertex, which progresses radially shortened along a thread in such a way that the radius of the vertex is shorter on the inlet side than on the outlet side and inbetween increases continuously towards the outlet side.
Patent KR-19990082503-A (KR)
Title: 포름알데히드의 제조 방법
IPC: B01J23/50
Filed: 1997-02-11
Abstract: 본 발명은 
     a) 메탄올 0.1 내지 50 부피%, 
     b) 산소 0.1 내지 30 부피%, 
     c) 산화 질소 0 내지 50 부피%, 및 
     d) 물 0 내지 60 부피% 
     로 구성되는 기체 혼합물 (i)을 150 내지 800 ℃의 온도에서, 인-도핑된 은 촉매 고정상 (a)를 통해 통과시키고, 인-도핑된 은 촉매 고정상 (a)의 횡단면적 cm 2 당, 기체 혼합물 (i) 형태의 통과 메탄올의 kg 당, 인-도핑된 은 촉매 고정상을 기준으로 0.01 내지 100 중량ppm의 인을 500 ℃ 초과의 융점 또는 분해 온도를 갖는 초미립 인 화합물 형태 (인 화합물 P)로, 인-도핑된 은 촉매 고정상 (a)에 가하는 것을 포함하는 메탄올의 산화성 탈수소화에 의한 포름알데히드의 제조 방법에 관한 것이다.
Patent KR-19990087746-A (KR)
Title: 전자파누설방지필터
IPC: H01J29/86
Filed: 1996-10-25
Abstract: PDP(1)의 전면에 필터베이스(11)를 설치하고 이 필터베이스(11)의 PDP(1)측 표면에 광투과성이 있는 도전망(12)을 설치하며 이 도전망(12)을 접지하여 PDP(1)에서 전자파가 누설되는 것을 방지하는 전자파 누설방지필터(2A, 2C)에 있어서 광투과성이 있는 도전성접착제(14)로 도전망(12)위에 광산란처리층(13)을 접착시키고 도전성접착제(14)로 도전망(12)의 격자간(필터베이스(11)가 존재한다)을 묻어 전기적으로 도통상태가 되도록 하는 것에 있어서, 라이트이레이즈를 위해 PDP(1)에 인가되는 펄스전압으로 도전망(12)에 전하가 유기된 경우 도전망(12)의 격자간의 전압을 항상 도전망(12)과 약동전위로 하여방전이 일어나지 않도록 하는 동시에 이상음이 발생되지 않도록 한다. 또는 PDP(1)와 도전망(12) 사이에 투명한 대전방지층(22)을 설치하는 것에 있어서, 라이트이레이즈를 위해 PDP(1)에 인가된 펄스전압으로 도전망(12)에 전하가 유기된 경우 이 전압은 방전이 일어나지 않을 정도의 적은 수치로서 이상음이 발생되지 않도록 한다.